2216660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{809}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 4694760

約数和(自身を除く): 2478100

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 809, 1370, 1618, 2740, 3236, 4045, 8090, 16180, 110833, 221666, 443332, 554165, 1108330, 2216660]

約数ペア:

[(1, 2216660), (2, 1108330), (4, 554165), (5, 443332), (10, 221666), (20, 110833), (137, 16180), (274, 8090), (548, 4045), (685, 3236), (809, 2740), (1370, 1618)]